PennDOT District 11 is reminding motorists that a portion of Reis Run Road (Route 4022) in Ross Township, Allegheny County, remains closed to traffic due to a slide.

Reis Run Road remains closed in both directions between Rochester Road and Arndt Road due to a landslide from private property. Local traffic will be permitted to the slide. All other traffic will be detoured.

Posted Detour

East of the slide

  • Follow Reis Run Road to Rochester Road
  • Take Rochester Road northbound back to Reis Run Road
  • End detour

West of the slide

  • Same detour in the opposite direction

PennDOT geotechnical engineers are currently monitoring the site as the hillside continues to move. In the interest of public safety, the department will keep the roadway closed until further notice.

The roadway closed on May 31st. 

Motorists can check conditions on more than 40,000 roadway miles, including color-coded winter conditions on 2,900 miles, by visiting www.511PA.com. 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 950 traffic cameras.

511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional Twitter alerts accessible on the 511PA website.

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